- sql Insert default users of each type for testing purposes
 - sql updated types to match Java Enums.
 - Removed checkUser
 - Created switch-case for redirects at login depending on the different roles.
 - Removed saveRoleToSession since I found a more effective approach.
 - Added servlet-mappings for all components.
Merge branch 'master' of https://github.com/jonathanklingberg/ETSN05

# By fys09kgu (9) and others
# Via ada10mci (5) and others
* 'master' of https://github.com/jonathanklingberg/ETSN05:
  Changed names on Roles to Role and Types to Type
  can list users, and almost add users
  Created method getRole in ServletBase to avoid duplicated code. Created new enum type Worker in Roles. Changed toHTML(User) to toHTML(Roles) in DatabaseInterface
  Started to implement TimeReports.
  added new method generateUserTable to ServletBase and implemented it in extending classes
  sql queries from adminComp. removed
  Admin can succesfully edit the name of the group, and delete group aswell (along with its users and timereports).
  ServletBase changed to abstract class so that duplicated code in component classes could be avoided. Added abstract method getUserHeading in ServletBase and implemented it in extending classes
  Implemented addUser() and closed all preparedStatements and Resultsets in ProjectGroups.
  changed method signature of listUsers in ServletBase
  refactoring, lifting listUsers from AdministratorComponent to ServletBase
  lifted attribute instance fron AdministrationComponent to ServletBase and replaced all WorkspaceInstance.getinstance(conn) with instance
  lifted attribute instance fron AdministrationComponent to ServletBase and replaced all 'WorkspaceInstance.getinstance(conn)' with 'instance'
  working on deleting groups
  changed name on parameter in the toHtml method in User
  Implemented addTimeReport() and removeTimeReport() in ProjectGroup.
  Admin can now add groups succesfully
  fixed addProjectGroup in WorkspaceInstance class, no id should be sent in sql query

Conflicts:
	src/base/LoginComponent.java
	src/database/User.java
	src/database/WorkspaceInstance.java
 - resolved conflicts
Merge branch 'master' of https://github.com/jonathanklingberg/ETSN05

# By fys09kgu
# Via fys09kgu
* 'master' of https://github.com/jonathanklingberg/ETSN05:
  fixed an SQL bug in WorkspaceInstance

Conflicts:
	src/base/AdministrationComponent.java
	src/base/ServletBase.java